36、When you are away from the office, ________ you turn off all the lights

A．make sure               B．be sure                   C．feel sure                 D．keep sure

35、The police officer wants to know what measures _______ to find the murderer as soon as possible．

A．to take                   B．to be taken            C．taken                      D．being taken

34、We got into the car but found it difficult to ________ because of the freezing weather．

A．get it started         B．get it starting           C．get started               D．get to start

33、You can call me ________ you like．I will always be available to see you．

A．whoever                 B．whatever                 C．wherever                D．whenever

32、The students _______ to solve the problem were brought to the lecture hall for a meeting．

A．chosen                   B．to choose                C．choosing                 D．to be chosen

31、Cell phones are now widely used, _______ possible for us to talk to anyone from almost anywhere．

A．make it                  B．to make it               C．making                   D．making it

30、Without more coal _______ the fire, it would soon go out．

A．added to                B．added                   C．adding to                D．added up to

29、The lawyer advised him to drop the _______, for he stands little chance to win．

A．event                            B．thing                      C．case                        D．affair

28、 Where is Emma?

-- I can’t say for sure where she is, but she _______ be out shopping．

A．can                        B．should                  C．must                       D．may

27、The customer bargained with the shopkeeper for a long time, and finally they agreed ______ the price．

A．to                          B．with                       C．on                          D．at